National Museum of Nuclear Science & History
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
M. F. McDermott worked for the Union Carbide & Carbon Corporation.
H. T. Wensel worked for the United States Engineer District Office.
Carl W. Rein served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned first to Luke the Spook and later to Big Stink.
